21202961

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2593}}^1$

素因数の和:2660

約数の個数: 16

約数和(自身を含む): 24840144

約数和(自身を除く): 3637183

約数列:

[1, 13, 17, 37, 221, 481, 629, 2593, 8177, 33709, 44081, 95941, 573053, 1247233, 1630997, 21202961]

約数ペア:

[(1, 21202961), (13, 1630997), (17, 1247233), (37, 573053), (221, 95941), (481, 44081), (629, 33709), (2593, 8177)]